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Kitty [74]
3 years ago
12

Please helppp!!! Is the set of positive irrational numbers closed for the operation of division? If not, give a counter-example.

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
7 0
Irrational numbers are "not closed" under addition, subtraction, multiplication or division. The numbers that are in the set of Complex Numbers, but are not in the set of Real Numbers .the imaginary number, i, which is the square root of negative one.
Mamont248 [21]3 years ago
4 0
Irriational numbers are not closed
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(fractions) 8/9 + 3/18
SVEN [57.7K]

Answer:

13/18

Step-by-step explanation:

s t u p i d

5 0
3 years ago
7.4=n-2.6 could you plz solve this or give me some good sites that could solve it for me oh and plz show the steps to thanks
lisov135 [29]
Please try to follow this closely.
Ready ?  OK, here goes:

              <em> Add 2.6 to each side of the equation.</em>
6 0
2 years ago
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Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel.
DochEvi [55]
X is Kevin; Y is Dan

X = 3Y

X - 4 = 5(Y - 4)


3Y - 4 = 5(Y - 4)   
3Y - 4 = 5Y - 20
     + 4         +4
4 cancels each other out.
     3Y = 5Y - 16
     - 5   -5
5 cancels each other out.
    -2Y = -16  
    /2       /2     
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X = 3Y;    
X = 3 x 8;

Thus,
X = 24;
Kevin(x) is 24

8 0
3 years ago
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. Find the remainder
victus00 [196]

Answer:

88

Step-by-step explanation:

Given:

(h⁴ + h² – 2) ÷ (h + 3).

We could obtain the remainder using the remainder theorem :

That is the remainder obtained when (h⁴ + h² – 2) is divided by (h + 3).

Using the reminder theorem,

Equate h+3 to 0 and obtain the value of h at h+3 = 0

h + 3 = 0 ; h = - 3

Substituting h = - 3 into (h⁴ + h² – 2) to obtain the remainder

h⁴ + h² – 2 = (-3)⁴ + (-3)² - 2 = 81 + 9 - 2 = 88

Hence, remainder is 88

4 0
2 years ago
About 60% of people in North America know how to swim. Use that statistic to answer the questions below.
kenny6666 [7]

Answer:

(Picture)

Step-by-step explanation:

To find 60% of people you just multiply .6 with the number you are trying to find 60% of. Like 100. 100 times .6 = 60.

8 0
3 years ago
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